CN217506358U - Projection screen for three-dimensional stereo projection - Google Patents

Abstract

The utility model discloses a projection screen for three-dimensional projection, comprising a base mechanism, a light-shielding curtain is arranged above the base mechanism, and the interior of the base mechanism, the interior of the light-shielding curtain, the base mechanism and the light-shielding curtain are close to each other on one side The four corners are provided with adjustment mechanisms, and the base mechanism includes a No. 1 base and a No. 2 base. The tops of the No. 1 base and No. 2 base are cut with bottom grooves, and the No. 2 base is located in the bottom groove and close to No. 1. The inner bottom end of the base is fixed with a fixed plate, and the tops of the No. 1 base and No. 2 base located on the side away from each other in the bottom groove are rotatably connected with a rotating shaft. The base mechanism and the top seat mechanism of the device are respectively adjusted to achieve The effect of expanding the horizontal area, and the base mechanism and the top seat mechanism also achieve the effect of expanding the vertical area through the adjustment mechanism, so that the transparent shell placed on the shading screen can be replaced as needed, so as to achieve a better viewing effect.

Description

A projection screen for three-dimensional projection

technical field

The utility model relates to the technical field of three-dimensional stereo projection, in particular to a projection screen for three-dimensional stereo projection.

Background technique

The traditional three-dimensional stereo projection is to project the influence on the projection screen through the projector, and a trapezoidal transparent shell is placed on the screen. The larger end is in contact with the projection screen, and the effect irradiated by the projector forms a three-dimensional image through the combination of the head shell and the screen.

The projector, projection screen and transparent shell all need to be installed inside a frame. The size of the frame is fixed. The size of the screen and the size of the transparent shell will bring different viewing effects, but the size of the frame cannot follow. The size of the screen and the transparent shell change together, which results in the limitation of the viewing effect. Therefore, a projection screen for three-dimensional projection is proposed.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides a projection screen for three-dimensional projection, so as to solve the problems raised in the above-mentioned background technologies.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: a projection screen for three-dimensional projection, comprising a base mechanism, a light-shielding curtain is arranged above the base mechanism, the interior of the base mechanism, the interior of the light-shielding curtain, the base The four corners of the mechanism and the shading curtain close to each other are provided with adjustment mechanisms;

The base mechanism includes a No. 1 base and a No. 2 base, the tops of the No. 1 base and the No. 2 base are both drilled with a bottom groove, and the No. 2 base is located in the bottom groove close to the inner bottom end of the No. 1 base. The tops of the No. 1 base and No. 2 base located on the side away from each other in the bottom groove are rotatably connected with a rotating shaft, and the rotating shaft on the No. 1 base is sleeved and fixed with one end of the shading screen. The rotating shaft on the base is connected with a clockwork spring, and the clockwork spring is sleeved and fixed with the other end of the shading screen;

The top seat mechanism includes a No. 1 top seat and a No. 2 top seat. A projector is fixed at the bottom end of the side wall of the No. 1 top seat close to the No. 2 top seat, and the No. 2 top seat is close to the No. 1 top seat. The bottom end of the side wall on one side is cut with a receiving groove.

Preferably, the adjustment mechanism includes an outer tube, a non-slip rubber sleeve of matching size is inserted and fixed inside the outer tube, and an extension rod of matching size is inserted into the inside of the anti-slip rubber sleeve, and the extension rod is inserted into the outer tube. One end of the rod is located on the outside of the non-slip rubber boot and the outer tube.

Preferably, the front and rear ends of the No. 1 base and the No. 2 base close to the side of the top seat mechanism are respectively fixedly connected to the bottom of the outer tube of the adjustment mechanism, and the No. 1 top seat and the No. 2 top seat are close to the base mechanism side. The front and rear ends are respectively fixedly connected with the top of the extension rod of the adjusting mechanism.

Preferably, the inner bottom end of the No. 1 base located on the side of the bottom groove close to the No. 2 base is fixedly connected to the outer bottom of the outer tube of the lateral adjustment mechanism, and the fixing plate is fixedly connected to the side close to the extension rod.

Preferably, the side wall of the No. 1 top seat close to the No. 2 top seat is inserted into the outer wall of the outer tube of the lateral adjustment mechanism and then fixedly connected, and the No. 2 top seat is fixedly connected to the close end of the extension rod.

Preferably, the outer diameter of the projector matches the inner diameter of the receiving groove, and the projector is inserted inside the receiving groove.

(3) Beneficial effects

Compared with the prior art, the utility model provides a projection screen for three-dimensional projection, which has the following beneficial effects:

1. The base mechanism and the top seat mechanism of the device achieve the effect of expanding the horizontal area through the adjustment mechanism respectively, and the base mechanism and the top seat mechanism also achieve the effect of expanding the longitudinal area through the adjustment mechanism, so that the transparent shell placed on the shading curtain It can be replaced as needed to achieve a better viewing effect;

2. When the base No. 1 and Base No. 2 expand the area by pulling out the extension rod in the anti-skid rubber sleeve, one end of the shading screen will be unfolded by the rotation of the rotating shaft, so that the size of the shading screen and the transparent shell of which the size changes The adaptation can be changed, and then a better viewing effect can be achieved after adaptation, and when the extension rod is inserted into the inside of the anti-skid rubber sleeve, it can be self-winding through the spring.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the separation structure schematic diagram of the adjustment mechanism and the shading curtain that the No. 1 base and No. 2 base are connected to;

Fig. 3 is the structural representation of the separation of the adjustment mechanism on the No. 1 top seat and the No. 2 top seat of the present utility model;

FIG. 4 is a schematic diagram of the separation structure of the adjusting mechanism of the present invention.

In the figure: 1. Base mechanism; 11. No. 1 base; 12. No. 2 base; 13. Bottom groove; 14. Fixed plate; 15. Rotating shaft; 16. Clockwork spring; Mechanism; 31, No. 1 top seat; 32, No. 2 top seat; 33, Storage slot; 4, Adjustment mechanism; 41, Outer tube; 42, Anti-slip rubber sleeve;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a technical solution, a projection screen for three-dimensional projection, as shown in Figures 1-4, comprising a base mechanism 1, a light-shielding screen 2 is arranged above the base mechanism 1, and inside the base mechanism 1, the light-shielding screen 2 The four corners of the interior, the base mechanism 1 and the shading screen 2 are provided with an adjustment mechanism 4 on one side close to each other;

The base mechanism 1 includes a No. 1 base 11 and a No. 2 base 12. The tops of the No. 1 base 11 and the No. 2 base 12 are drilled with a bottom groove 13. The No. 2 base 12 is located in the bottom groove 13 and is close to the inner bottom end of the No. 1 base 11. A fixed plate 14 is fixed, and the tops of the No. 1 base 11 and No. 2 base 12 are located in the bottom groove 13 away from each other and are connected with a rotating shaft 15. The rotating shaft 15 on the No. 1 base 11 is covered with one end of the shading screen 2 To be fixed, the rotating shaft 15 on the second base 12 is connected with a clockwork spring 16, and the clockwork spring 16 is sleeved and fixed with the other end of the shading screen 2;

The top seat mechanism 3 includes a No. 1 top seat 31 and a No. 2 top seat 32. The projector 5 is fixed at the bottom end of the side wall of the No. 1 top seat 31 close to the No. 2 top seat 32, and the No. 2 top seat 32 is close to the No. 1 roof. A receiving groove 33 is drilled at the bottom end of the side wall on one side of the seat 31 .

Specifically, the adjustment mechanism 4 includes an outer tube 41 , a non-slip rubber sleeve 42 with a matching size is inserted and fixed inside the outer tube 41 , an extension rod 43 with a matching size is inserted in the inside of the anti-slip rubber sleeve 42 , and the extension rod 43 One end is located on the outside of the anti-skid rubber sleeve 42 and the outer tube 41 .

Specifically, the front and rear ends of the first base 11 and the second base 12 close to the top seat mechanism 3 are respectively fixedly connected to the bottom of the outer tube 41 of the adjustment mechanism 4, and the first top seat 31 and the second top seat 32 are close to the base mechanism. The front and rear ends of one side are respectively fixedly connected with the top of the extension rod 43 of the adjusting mechanism 4, which is convenient for adjusting the size.

Specifically, the inner bottom end of the No. 1 base 11 located on the side of the bottom groove 13 close to the No. 2 base 12 is fixedly connected to the outer bottom of the outer tube 41 of the lateral adjustment mechanism 4 , and the fixing plate 14 is fixed to the side close to the extension rod 43 . The connection facilitates the expansion of the base mechanism 1 .

Specifically, the side wall of the No. 1 top seat 31 close to the No. 2 top seat 32 is inserted into the outer wall of the outer tube 41 of the lateral adjustment mechanism 4 and then fixedly connected. Expansion of the top seat mechanism 3.

Specifically, the outer diameter of the projector 5 matches the inner diameter of the storage slot 33 , and the projector 5 is inserted into the storage slot 33 to facilitate the storage of the projector 5 during use.

The working principle of the device: the base mechanism 1 and the top seat mechanism 3 of the device respectively achieve the effect of expanding the lateral area through the adjustment mechanism 4, and the base mechanism 1 and the top seat mechanism 3 also achieve the effect of expanding the longitudinal area through the adjustment mechanism 4. , so that the transparent shell placed on the shading screen 2 can be replaced as needed, so as to achieve a better viewing effect. When the area is larger, one end of the shading curtain 2 will be unfolded by the rotation of the rotating shaft 15, so that the size of the shading curtain 2 and the size of the transparent shell can be adapted and changed, and then a better viewing effect can be achieved after adaptation. , and when the extension rod 43 is inserted into the inside of the anti-skid rubber sleeve 42 , it can be self-winding by the spring 16 .

In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inside", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention.

In addition, the terms "first", "second", "third", "fourth" are only used for descriptive purposes and should not be understood as indicating or implying relative importance or implying the number of technical features indicated, Thus, features defined as "first", "second", "third", "fourth" may expressly or implicitly include at least one of such features.

In the present utility model, unless otherwise expressly specified and limited, terms such as "installation", "arrangement", "connection", "fixation", "swivel connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements Unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A projection screen for three-dimensional stereoscopic projection, characterized in that: the shading curtain comprises a base mechanism (1), wherein a shading curtain (2) is arranged above the base mechanism (1), and adjusting mechanisms (4) are arranged at four corners of one side, close to each other, of the inner part of the base mechanism (1), the inner part of the shading curtain (2), the base mechanism (1) and the shading curtain (2);

the base mechanism (1) comprises a first base (11) and a second base (12), bottom grooves (13) are formed in the tops of the first base (11) and the second base (12), a fixing plate (14) is fixed to the inner bottom end, close to the first base (11), of the second base (12) in the bottom grooves (13), the top ends, far away from one side of the first base (11), of the first base (11) and the second base (12) in the bottom grooves (13) are rotatably connected with rotating shafts (15), the rotating shafts (15) on the first base (11) are fixedly sleeved with one end of the shading curtain (2), the rotating shafts (15) on the second base (12) are connected with clockwork spring (16), and the clockwork spring (16) is fixedly sleeved with the other end of the shading curtain (2);

footstock mechanism (3) are including footstock (31) and No. two footstock (32), No. one footstock (31) are close to lateral wall bottom mounting on one side of No. two footstock (32) have projecting apparatus (5), No. two footstock (32) are near the lateral wall bottom excavation on one side of No. one footstock (31) have and accomodate groove (33).

2. The projection screen of claim 1, wherein: adjustment mechanism (4) include outer tube (41), the inside interlude of outer tube (41) is fixed with size assorted anti-skidding rubber sleeve (42), size assorted extension bar (43) are inserted to the inside of anti-skidding rubber sleeve (42), the one end of extension bar (43) is located the outside of anti-skidding rubber sleeve (42) and outer tube (41).

3. The projection screen of claim 1, wherein: a base (11) and No. two bases (12) are close to around both ends of footstock mechanism (3) one side respectively with outer tube (41) bottom fixed connection of adjustment mechanism (4), both ends respectively with extension bar (43) top fixed connection of adjustment mechanism (4) around footstock (31) and No. two footstock (32) are close to base mechanism (1) one side.

4. The projection screen of claim 1, wherein: the inner bottom end of the first base (11) on one side, close to the second base (12), of the bottom groove (13) is fixedly connected with the outer bottom of the outer tube (41) of the transverse adjusting mechanism (4), and the fixed plate (14) is fixedly connected with one side, close to the extension rod (43).

5. The projection screen of claim 1, wherein: the side wall of the first footstock (31) close to the second footstock (32) is fixedly connected with the outer wall of an outer tube (41) of the transverse adjusting mechanism (4) after being penetrated, and the end of the second footstock (32) close to the extension rod (43) is fixedly connected.

6. The projection screen of claim 1, wherein: the outer diameter of the projector (5) is matched with the inner diameter of the accommodating groove (33), and the projector (5) is inserted into the accommodating groove (33).

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